457220137 has 8 divisors (see below), whose sum is σ = 512266752. Its totient is φ = 404420400.

The previous prime is 457220111. The next prime is 457220167. The reversal of 457220137 is 731022754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 457220137 - 2¹⁵ = 457187369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 457220099 and 457220108.

It is not an unprimeable number, because it can be changed into a prime (457220167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561289 + ... + 562102.

It is an arithmetic number, because the mean of its divisors is an integer number (64033344).

Almost surely, 2^457220137 is an apocalyptic number.

It is an amenable number.

457220137 is a deficient number, since it is larger than the sum of its proper divisors (55046615).

457220137 is a wasteful number, since it uses less digits than its factorization.

457220137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123439.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 457220137 is about 21382.7064938001. The cubic root of 457220137 is about 770.3861205075.

The spelling of 457220137 in words is "four hundred fifty-seven million, two hundred twenty thousand, one hundred thirty-seven".